.user_main{
    width:100%;
    height:auto;
    background:#fff;
    padding-top:110px;
    .umain{
        width:100%;
        display: flex;
        justify-content: center;
        background: #F3F3F5;
        padding:20px 0;
        box-sizing: border-box;
        .ucen{
            width:1200px;
            display: flex;
            min-height:calc(100vh - 210px);
            .m_right{
                width: 990px;
                
                margin-left:10px;
                
            }
        }
    }
}